[PATCH 19/25 v2] mlx4: Randomizing mac addresses for slaves
From: Yevgeny Petrilin <hidden>
Date: 2009-11-06 03:10:02
Also in:
linux-rdma
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Yevgeny Petrilin <yevgenyp-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org> --- drivers/net/mlx4/fw.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 60889d3..7343c70 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c@@ -32,6 +32,7 @@ * SOFTWARE. */ +#include <linux/etherdevice.h> #include <linux/mlx4/cmd.h> #include <linux/cache.h>
@@ -148,7 +149,8 @@ int mlx4_QUERY_SLAVE_CAP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vh struct mlx4_cmd_mailbox *outbox) { struct mlx4_caps *caps = outbox->buf; - int i; + u8 rand_mac[6]; + int i, j; memcpy(caps, &dev->caps, sizeof *caps);
@@ -165,6 +167,10 @@ int mlx4_QUERY_SLAVE_CAP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vh for (i = 1; i <= dev->caps.num_ports; ++i) { caps->gid_table_len[i] = 1; caps->pkey_table_len[i] = 1; + random_ether_addr(rand_mac); + caps->def_mac[i] = 0; + for (j = 0; j < ETH_ALEN; j++) + caps->def_mac[i] |= ((u64)(rand_mac[1]) << 8 * j); } } else { caps->sqp_demux = dev->num_slaves;
--
1.5.3.7
From: Liran Liss <liranl-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
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